LESHAN RADIO COMPANY, LTD. HER301 thru HER308 1.Feature & Dimensions High Efficiency Rectifiers * Plastic package has Underwriters Laboratory Reverse Voltage 50 to 1000V Forward Current 3.0A Flammability Classification 94V-0 * High temperature metallurgically bonded construction * Deffused junction * Capable of meeting environmental standards of MIL-S-19500 * 3.0 A operation at TA=55°C with no thermal runaway * For use in high frequency rectifier circuits * Fast switching for high efficiency * Typical IR less than 1.0µA * High temperature soldering guaranteed: 260°C/10 seconds * 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension 2.Mechanical Data Case: JEDEC DO-201AD, molded plastic body Terminals: Plated axial leads, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Mounting Position: Any Weight:0.04 oz., 1.12 g Handling precautin:None We declare that the material of product compliance with RoHS requirements. 3.Electrical Characteristic Maximum Ratings & Thermal Characteristics Ratings at 25°C ambient temperature unless otherwise specified. Parameter Symbol symbol HER 301 HER 302 HER 303 HER 304 HER 305 HER 306 HER 307 HER 308 Unit Maximum repetitive peak reverse voltage VRRM 50 100 200 300 400 600 800 1000 V Maximum RMS voltage VRMS 35 70 140 210 280 420 560 700 V Maximum DC blocking voltage VDC 50 100 200 300 400 600 800 1000 V Maximum average forward rectified current 0.375" (9.5mm) lead length at TA = 55°C Peak forward surge current 8.3ms single half sine-wave superimposed on rated load (JEDEC Method) Maximum full load reverse current, full cycle average,0.375"(9.5mm) lead lengths at TA = 55° C Typical thermal resistance (Note 2) IF(AV) 3.0 A IFSM 150 A IR(AV) 100 µA RθJA 20 –50 to +150 °C/W Operating junction and storage temperature range TJ, TSTG °C Electrical Characteristics Ratings at 25°C ambient temperature unless otherwise specified. Parameter Symbol Maximum instantaneous forward voltage at 3.0A Maximum DC reverse current TA = 25°C at rated DC blocking voltage TA = 100°C Typical reverse recovery time (Note 1) Typical junction capacitance at 4.0V, 1MHz symbol VF HER 301 HER 302 HER 303 1.00 HER 304 HER 305 HER 306 1.30 HER 307 HER 308 1.85 V 10.0 200 IR Unit µA trr 50 70 ns CJ 45 36 PF NOTES: 1. IF = 0.5A, IR = 1.0A, IRR = 0.25A 2. Thermal resistance from junction to ambient at 0.375” (9.5mm) lead length, P.C.B. mounted 1/3 LESHAN RADIO COMPANY, LTD. 4. Characteristic Curves ( TA = 25°C unless otherwise noted ) Fig. 2 – Maximum Non-repetitive Peak Forward Surge Current Average Forward Rectified Current (A) Average Forward Rectified Current (A) Fig. 1 – Forward Current Derating Curve 60 Hz Resistive or Inductive Load 3.0 1.5 0.375" (9.5mm) Lead Length 0 Fig 3. – Typical Instantaneous Forward Characteristics TJ = 25°C Pulse width = 300µs 1% Duty Cycle 10 1.0 0.1 Transient thermal impedance(°C/W) 0.01 0.8 100 75 0 1 10 Number of Cycles at 60Hz 100 Fig 4. – Typical Reverse Characteristics Instantaneous Reverse Current (µA) 100 150 25 50 75 100 125 150 175 Ambient Temperature, °C 100 Fig 5. –typical transient thermal impedance Tj=125℃ 10 Tj=75℃ 1.0 Tj=25℃ 0.1 0.01 1.0 1.2 1.4 1.6 1.8 Instantaneous Forward Voltage (V) 0 20 40 60 80 100 Percent of Rated Peak Reverse Voltage (%) Fig 6. – Typical Junction Capacitance Junction Capacitance (pF) Instantaneous Forward Current (A) 0 TJ = TJ max 8.3ms Single Half Sine-wave (JEDEC Method) 10 1.0 100 TJ = 25°C f = 1.0 MHz Vsig = 50mVp-p 10 0.1 0.01 0.1 1.0 10 t,Pulse duration,sec 100 0.1 1 10 Reverse Voltage (V) 100 2/3 LESHAN RADIO COMPANY, LTD. 5.Package Dimensions in inches and (millmeters) Package outline L Φd ΦD Dimensions L L1 ΦD Φd inches Min. Max. 0.335 0.375 1.0 0.197 0.220 0.048 0.052 mm Min. 8.5 25.4 5.0 1.2 Max. 9.5 5.6 1.3 Note: DO-201AD molded plastic case The marking band indicates the cathode 3/3 LESHAN RADIO COMPANY, LTD. Packing Of Plastic-Sealed Axial Lead Diodes 1.卷盘/Reel Packing（52mm） Unit:mm A：卷盘规格/Reel spec. A W1 W Item Label stike this position B C W1 Symbol Dimension A 76.4±0.1 Dimeter B C 82.5±0.2 330±0.5 Width W 72±0.2 Thickness W1 3±0.2 Item Symbol Dimension Size L W H 350±2 350±2 340±4 B：外箱规格/Outer Box Specification H W L 按以上包装方式：(As per the above spec) Q'ty/Taping Q'ty/Packing Case DO-41 & A-405 5K 20K 外型/Outside DO-15 4K 16K DO-201AD 1.4K 5.6K LESHAN RADIO COMPANY, LTD. 2. 弹带盒装/Ammo Packing Unit:mm A： 弹带盒规格/Ammo Box Spec. Item Box's Size Symbol L W H L W H Dimension 260±2 76±2 100±4 250±3 45±3 95±5 Symbol Dimension L 430±2 W H 280±2 225±4 Notes 52mm TYPE 26mm TYPE B：外箱规格/Outer Box Specification Item H Case's Size W L 435±3 W H 280±3 295±5 Notes 52mm TYPE 26mm TYPE L 按以上包装方式：(As per the above spec) 外型/Outside A-405 & DO-41 & R-1 3K DO-15 2K DO-201AD 0.8K Q'ty/Packing Case 26mm/TYPE 30K 20K 7.2K Q'ty/Packing Case 52mm/TYPE 60K 40K 14.4K Q'ty/Taping LESHAN RADIO COMPANY, LTD. 3. 散装/Bulk Packing A.包装盒尺寸/Box Dimension ( DO-41&DO-15 ) Item H L Symbol Dimension L 200±2 W H 84±2 21±2 Symbol Dimension L 200±2 W 84±2 H 29±2 Symbol Dimension Box's Size W ( DO-201AD ) H Item Box's Size W L B：外箱规格/Outer Box Specification Item Case's Size C L 465±2 W H 225±2 260±4 B A 按以上包装方式：(As per the above spec) 外型/Outside Q'ty/Taping DO-41&A-405&R-1 1K DO-15 0.5K DO-201AD 0.3K Q'ty/Packing Case 50K 25K 12K LESHAN RADIO COMPANY, LTD. 4. 编带图形及规格/Taping Specification 尺寸代号 Dimension Code W P L1-L2 H Z R T 26/tape 26 0.0/+1.6 5±0.5 ＜1.0 6±1.0 ＜1.2 ＜1.0 ＞3.2 注: 52编带# 为DO-201AD编带规格 Remark: 52 tape# is DO-201AD taping spec. Unit:mm 编带尺寸/Tape Dimension 52/tape 52/tape# 52 -1.0/+2.0 52 -1.0/+2.0 5±0.5 10±0.5 ＜1.2 ＜1.2 6±1.0 6±1.0 ＜1.2 ＜1.2 ＜1.0 ＜1.0 ＞3.2 ＞3.2